Which of the following statements about operating leverage is false? a. The degree of operating leverage is higher for companies with higher fixed costs O b. If the degree of operating leverage higher for a company, this means that the company is more risky than another company with low degree of operating leverage. O c. Keeping all factors constant, the higher the contribution margin, the lower the operating leverage. d. Operating leverage measures how operating income will be affected by changes in sales Oe. All of the given answers are true